n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | -1 |
4 | 1 |
5 | -5 |
6 | 10 |
7 | 1 |
8 | -12 |
9 | 59 |
10 | -90 |
11 | 1 |
12 | -22 |
13 | 203 |
14 | -830 |
15 | 1320 |
16 | 1 |
17 | -35 |
18 | 525 |
19 | -3985 |
20 | 15374 |
21 | -23640 |
22 | 1 |
23 | -51 |
24 | 1135 |
25 | -13665 |
26 | 93544 |
27 | -342324 |
28 | 523440 |
29 | 1 |
30 | -70 |
31 | 2170 |
32 | -37870 |
33 | 399889 |
34 | -2542540 |
35 | 8997540 |
36 | -13633200 |
37 | 1 |
38 | -92 |
39 | 3794 |
40 | -90440 |
41 | 1356929 |
42 | -13076588 |
43 | 78896236 |
44 | -271996080 |
45 | 409852800 |
46 | 1 |
47 | -117 |
48 | 6198 |
49 | -193410 |
[1,1,-1,1,-5,10,1,-12,59,-90,1,-22,203,-830,1320, 1,-35,525,-3985,15374,-23640,1,-51,1135,-13665, 93544,-342324,523440,1,-70,2170,-37870,399889, -2542540,8997540,-13633200,1,-92,3794,-90440, 1356929,-13076588,78896236,-271996080,409852800,1, -117,6198,-193410] |